The Council on Tall Buildings and Urban Habitat (CTBUH) has released some of the facts and figures behind the projects appearing in their recent book, 100 of the World’s Tallest Buildings. The construction of tall buildings requires collaboration between many different companies and firms and the efforts of hundreds of people, but a few select firms have been responsible for more of the design and engineering achievements than any other.

Continue reading to see the 18 design architects that have contributed multiple buildings to the top 100 list.